security-rs 0.2.4

Safe Rust bindings for Apple's Security framework — keychain, identity, certificates, trust, authorization, CMS, SecureTransport, and cryptographic primitives on macOS
Documentation 
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135

use bitflags::bitflags;
use serde_json::Value;

use crate::bridge;
use crate::error::Result;

bitflags! {
    #[derive(Debug, Clone, Copy, PartialEq, Eq, Hash)]
    pub struct AuthorizationOptions: u32 {
        const DEFAULTS = 0;
        const INTERACTION_ALLOWED = 1 << 0;
        const EXTEND_RIGHTS = 1 << 1;
        const PARTIAL_RIGHTS = 1 << 2;
        const DESTROY_RIGHTS = 1 << 3;
        const PREAUTHORIZE = 1 << 4;
        const SKIP_INTERNAL_AUTH = 1 << 9;
        const NO_DATA = 1 << 20;
    }
}

#[derive(Debug)]
pub struct Authorization {
    handle: bridge::Handle,
}

impl Authorization {
    pub fn new() -> Result<Self> {
        Self::with_options(AuthorizationOptions::DEFAULTS)
    }

    pub fn with_options(options: AuthorizationOptions) -> Result<Self> {
        let mut status = 0;
        let mut error = std::ptr::null_mut();
        let raw = unsafe {
            bridge::security_authorization_create(options.bits(), &mut status, &mut error)
        };
        bridge::required_handle("security_authorization_create", raw, status, error)
            .map(|handle| Self { handle })
    }

    pub fn external_form(&self) -> Result<Vec<u8>> {
        let mut status = 0;
        let mut error = std::ptr::null_mut();
        let raw = unsafe {
            bridge::security_authorization_make_external_form(
                self.handle.as_ptr(),
                &mut status,
                &mut error,
            )
        };
        bridge::required_data(
            "security_authorization_make_external_form",
            raw,
            status,
            error,
        )
    }

    pub fn from_external_form(external_form: &[u8]) -> Result<Self> {
        let mut status = 0;
        let mut error = std::ptr::null_mut();
        let raw = unsafe {
            bridge::security_authorization_create_from_external_form(
                external_form.as_ptr().cast(),
                bridge::len_to_isize(external_form.len())?,
                &mut status,
                &mut error,
            )
        };
        bridge::required_handle(
            "security_authorization_create_from_external_form",
            raw,
            status,
            error,
        )
        .map(|handle| Self { handle })
    }

    pub fn copy_info(&self, tag: Option<&str>) -> Result<Value> {
        let tag = tag.map(bridge::cstring).transpose()?;
        let mut status = 0;
        let mut error = std::ptr::null_mut();
        let raw = unsafe {
            bridge::security_authorization_copy_info(
                self.handle.as_ptr(),
                tag.as_ref()
                    .map_or(std::ptr::null(), |value| value.as_ptr()),
                &mut status,
                &mut error,
            )
        };
        bridge::required_json("security_authorization_copy_info", raw, status, error)
    }

    pub fn copy_rights(&self, rights: &[&str], options: AuthorizationOptions) -> Result<Value> {
        let rights_json = bridge::json_cstring(&rights)?;
        let mut status = 0;
        let mut error = std::ptr::null_mut();
        let raw = unsafe {
            bridge::security_authorization_copy_rights(
                self.handle.as_ptr(),
                rights_json.as_ptr(),
                options.bits(),
                &mut status,
                &mut error,
            )
        };
        bridge::required_json("security_authorization_copy_rights", raw, status, error)
    }

    pub fn copy_rights_async(
        &self,
        rights: &[&str],
        options: AuthorizationOptions,
    ) -> Result<Value> {
        let rights_json = bridge::json_cstring(&rights)?;
        let mut status = 0;
        let mut error = std::ptr::null_mut();
        let raw = unsafe {
            bridge::security_authorization_copy_rights_async(
                self.handle.as_ptr(),
                rights_json.as_ptr(),
                options.bits(),
                &mut status,
                &mut error,
            )
        };
        bridge::required_json(
            "security_authorization_copy_rights_async",
            raw,
            status,
            error,
        )
    }
}